package com.example.program.mapper;

import com.example.program.pojo.Emp;
import org.apache.ibatis.annotations.*;

import java.time.LocalDate;
import java.util.List;

@Mapper
public interface EmpMapper {

    @Select("select count(*) from emp")
    public Long count();

    //获取当前页的结果列表
    @Select("select * from emp limit #{start}, #{pageSize}")
    public List<Emp> list(Integer start, Integer pageSize);


    public List<Emp>  page(@Param("name") String name, @Param("gender") Short gender, @Param("begin") LocalDate begin, @Param("end") LocalDate end) ;

    void delete(List<Integer> ids);
    @Insert("insert into emp (username, name, gender, image, job, entrydate, dept_id, create_time, update_time) " +
            "values (#{username}, #{name}, #{gender}, #{image}, #{job}, #{entrydate}, #{deptId}, #{createTime}, #{updateTime});")
    void insert(Emp emp);
    @Select("select id, username, password, name, gender, image, job, entrydate, dept_id, create_time, update_time " +
            "from emp " +
            "where id = #{id}")
    Emp getByid(Integer id);

    void update(Emp emp);
    @Select("select id, username, password, name, gender, image, job, entrydate, dept_id, create_time, update_time " +
            "from emp " +
            "where username=#{username} and password =#{password}")
    Emp getByUsernameAndPassword(Emp emp);
    @Delete("delete from emp where dept_id=#{deptId}")
    void deletea(Integer id);
}
